Unit 2 Review

Place Value Power

100

In the number 34,582,109 which digit is in the ten millions place?

3

200

What is the value of the digit 7 in the number 472,105,983?

70,000,000 (70 million)

300

Write the period name for the group of digits containing 689 in the number 123,689,405.

Thousands Period

400

How many times greater is the value of the 6 in 60,000,000 than the 6 in 6,000,000?

10

500

What is the difference between the PLACE of a digit and the VALUE of a digit?

The place of a digit tells us where it sits in a number, whereas the value of a digit tells you how much that digit is worth based on its position. 

Comparing

100

Which sign makes this true: 3,450,120 ____ 3,450,210? (<,>, or =)

<

200

Compare these two numbers: 9,801,432 and 9,801,423. Which one is larger?

9,801,432

300

True or False: 5,000,000 + 400,000 > 5,400,000

False, they are equal

400

Which number is smaller: 7,009,899 or 7,090,000?

7,009,899

500

Change one digit in 4,567,890 to make it greater than 4,569,890

Can change any digit in the millions, hundred thousands, or ten thousands place to a higher number.

Ordering

100

Order these from least to greatest: 1,200,000 | 1,020,000 | 1,002,000

1,002,000

1,020,000

1,200,000

200

Order these from greatest to least: 4,561,200 | 4,651,200 | 4,516,200

4,651,200

4,561,200

4,516,200

300

Which number goes in the middle when ordered from least to greatest? 6,700,000 | 6,070,000 | 6,707,000

6,700,000

400

Put these four populations in order from least to greatest:

City A: 2,145,000

City B: 2,415,000

City C: 2,154,000

City D: 2,140,500

City D

City A

City C

City B

500

Where does 3,500,000 fit in his ordered list from least to greatest? 3,050,000 | 3,505,000 | 3,500,002

Second

Four Number Face Off

100

which of these four numbers is the smallest: 5,123,000 | 5,321,000 | 5,132,000 | 5,213,000?

5,123,000

200

Which of these four numbers is the greatest? 8,990,000 | 8,909,000 | 8,999,000 | 8,099,000

8,999,000

300

Order all four numbers from least to greatest: 3,110,000 | 3,011,000 | 3,101,000 | 3,111,000

3,011,000

3,101,000

3,110,000

3,111,000

400

Find the two numbers in this group that are equal:

A: 7,000,000 + 50,000 + 4

B: 7,500,004

C: 7,050,004

D: 7,500,040

A and C

500

Organize these four numbers from greatest to least:

6,000,400

6,040,000

6,004,000

6,400,000

6,400,000

6,040,000

6,004,000

6,000,400

Words

100

What is four million, three hundred twenty thousand, five hundred in standard form? 

4,320,500

200

What is two million, five thousand, ten in standard form?

2,005,010

300

Write 8,040,006 in written form

Eight million, forty thousand, six

400

Write 674,001,004 in written form

Six hundred seventy-four million, one thousand, four

500

Write 948,791,541 in written form

Nine hundred forty-eight million, seven hundred ninety-one thousand, five hundred forty one